25279002 has 36 divisors (see below), whose sum is σ = 63715626. Its totient is φ = 7222320.

The previous prime is 25278991. The next prime is 25279021. The reversal of 25279002 is 20097252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14130081 + 11148921 = 3759^2 + 3339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13449 + ... + 15212.

Almost surely, 2^25279002 is an apocalyptic number.

25279002 is an abundant number, since it is smaller than the sum of its proper divisors (38436624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25279002 is a wasteful number, since it uses less digits than its factorization.

25279002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28683 (or 28673 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 25279002 is about 5027.8227892399. The cubic root of 25279002 is about 293.4854946895.

The spelling of 25279002 in words is "twenty-five million, two hundred seventy-nine thousand, two".